JP2001165657A - Observation measuring apparatus and measuring device of foundation leg installation dimension - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the set and shorten the measuring time. SOLUTION: A base part 11 is fixable so that a setting surface 17 is along a setting position. A support part 12 is provided on the base part 11 and extended vertically to the setting surface 17. Two targets 13 are provided on the support part 12 and they have aiming points in mutually separated positions on the vertical line 19 to the setting surface 17. Two guide plates are mounted on the base part 11 so as to be capable of protruding from the setting surface 17. Each guide plate has a guide surface perpendicular to each other and perpendicular to the setting surface 17. Each guide surface has the vertical line 19 on the extension.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an instrument for observation and measurement and an apparatus for measuring dimensions of installation of a base leg for obtaining a distance and an angle from an aiming point, and more particularly, to a method for obtaining coordinates of a base leg. The present invention also relates to an instrument for observation and measurement and an apparatus for measuring dimensions of installation of a base leg.

[0002]

2. Description of the Related Art When installing a power transmission tower, it is necessary to accurately install four foundation legs (tower legs) so that the tower is not inclined. For that purpose, the position of the required point (measurement point) of each base leg is measured using an observation and measurement instrument and a light wave measuring instrument. As shown in FIG.
The conventional observation / measurement instrument has a light wave prism 1 and a leveling table 2, and the light wave prism 1 is installed vertically on the finding point 4 of the base leg 3 using the leveling table 2. The distance and angle between the aiming point and the aiming point are obtained by a light wave measuring instrument, and the plane coordinates and the height difference of the obtained point are calculated from the values. That is, the instrument for observation and measurement is attached to the base leg material,
The light wave prism 1 is observed with a light wave measuring instrument or the like, and the diagonal and opposite diagonal distances between the respective base legs and the level of the top of the base legs are measured. Thereby, it is confirmed that the dimensions are the design dimensions, or the installation position of the base leg is corrected so as to have the design dimensions.

[0003]

When the instrument for observation and measurement is mounted on an angle material, it must be mounted vertically on the corner, and when it is mounted on a pipe material, it is symmetrically placed at two places on the circumference of the flange. Need to be installed. However, with conventional instruments for observation and measurement, it takes time and effort to install the light wave prism vertically at the required point, requiring two people to work, and four or more pieces per foundation leg. Since it is necessary to install the light wave prism, it takes about 30 to 40 minutes for two persons to perform the installation work, and there is a problem that the measurement takes a long time.

The present invention has been made in view of such conventional problems, and provides an observation measuring instrument and a basic leg material installation dimension measuring device which can be easily installed and reduce the measuring time. It is intended to be.

[0005]

According to a first aspect of the present invention, there is provided an instrument for observation and measurement according to the first aspect of the present invention, comprising: a base capable of fixing an installation surface along an installation location; A support extending in a direction perpendicular to the installation surface;
And two targets provided on the support part and having aiming points at positions separated from each other on a vertical line to the installation surface. The base preferably has a magnet on the installation surface that can be fixed to the base leg.

According to the first aspect of the present invention, there is provided an instrument for observation and measurement in which the installation surface of the base is fixed along the installation location, and the distance between the aiming point of the two targets and the measuring device such as a light wave measuring device. Used to determine the angle. If the intersection of the installation surface and the vertical line at which the two aiming points are located is determined as the desired point, the coordinates of the determined point will be measured even when the desired point is set on an inclined end such as a base leg. Can be easily obtained by calculation.

According to a second aspect of the present invention, there is provided an instrument for observation and measurement according to the first aspect of the present invention, wherein the instrument has two guide plates, and each guide plate is provided on the base so as to protrude from the installation surface. Being mounted, each guide plate has a guide surface that is perpendicular to each other and perpendicular to the mounting surface, and each guide surface has the vertical line as an extension.

According to a second aspect of the present invention, in the case where a desired point is set at an end corner of an angle-type foundation leg having a right-angled corner, two guide plates project from the installation surface. Then, the intersection between the installation surface and the vertical line on which the two aiming points are located is positioned at the desired point with the guide surface along the side surface sandwiching the corner of the foundation leg material. This facilitates installation. If a set point is set at the edge of the end with a pipe-type foundation leg material, if the guide plate is retracted so that it does not protrude from the installation surface, the guide plate does not hinder positioning at the set point, Installation is possible.

According to a third aspect of the present invention, there is provided the observation and measurement instrument according to the first or second aspect, wherein the base has two legs and a step, and the two legs are provided. A first positioning indicator indicating the position along the vertical line between the portions, wherein the step portion is provided outside the installation surface and protrudes from the installation surface, and a positioning surface along the vertical line is provided. And a second positioning display indicating the position of the vertical line at the bottom.

According to a third aspect of the present invention, in the observation and measurement instrument according to the present invention, when a desired point is set at the edge of the end portion with the base leg material, the positioning surface of the step portion is applied to the desired point, so that the installation surface and Positioning of the intersection with the vertical line at the desired point becomes easy. further,
By looking at the first positioning display from between the two legs or looking at the second positioning display at the bottom of the step, positioning to the desired point can be facilitated.

According to a fourth aspect of the present invention, there is provided an observation and measurement instrument according to the first, second or third aspect,
The support portion is rotatably provided on the base portion, and the two targets are rotatably provided on the support portion.

According to a fourth aspect of the present invention, there is provided an observation and measurement instrument according to the present invention, in which a support portion is rotated and two targets are rotated to direct an aiming point toward a measuring device such as a light wave measuring device, thereby facilitating measurement. Can be

According to a fifth aspect of the present invention, there is provided a foundation leg material installation dimension measuring device, wherein a distance between the observation and measurement instrument of the first, second, third and fourth aspects and the aiming point of the observation and measurement instrument is provided. And a computer for obtaining information on the distance and the angle from the light wave measuring device and performing a predetermined calculation process.

According to a fifth aspect of the present invention, there is provided an apparatus for measuring the installation size of a base leg material, wherein the distance and the angle from an aiming point are obtained by a light wave measuring device using the above-mentioned instrument for observation and measurement, and a computer is used from the values. , A predetermined calculation process is performed, and the coordinates of the calculated point, the difference with a plurality of coordinates, and the like can be obtained.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 10 show an embodiment of the present invention. The base leg material installation dimension measuring device includes an observation measuring instrument 10A, a light wave measuring instrument 10B, and a computer 10C. Light wave measuring instrument 10B
For the measurement, a general light wave measuring device for obtaining a distance and an angle from an aiming point of an observation and measurement instrument is used. The computer 10C includes a portable computer or a pen-touch computer with a display function for obtaining information on the distance and the angle from the light wave measuring device 10B and performing a predetermined calculation process. As the computer 10C to be used, a computer having waterproofness and excellent visibility of the display screen is preferable because it is convenient for use outdoors.

As shown in FIGS. 1 to 4, the observation and measurement instrument 10 has a base 11, a support 12, two targets 13, and two guide plates 14. The base 11 is
It has two legs 15 and a step 16. Two legs 15
Extend perpendicular to each other. The bottom of each leg 15 is a flat installation surface 17. Each leg 15 has a magnet 18 on an installation surface 17. The base 11 is a magnet 1
8, the installation surface 17 can be fixed along the installation location such as a steel tower. The step 16 is provided outside the installation surface 17 and protrudes from the installation surface 17.

As shown in FIG. 1 and FIG.
Has two side plates 12a. The support portion 12 extends in a direction perpendicular to the installation surface 17 and is rotatably provided on an upper portion of the base portion 11 with a bolt 12b. The two targets 13 are provided on the support 12 at an interval from each other. Each target 13 is provided between two side plates 12a, and is rotatable around an axis perpendicular to each side plate 12a. On the back side of each target 13, a knob 13a for rotation is provided. Each target 13 has an aiming point 20 at a position separated from each other on a vertical line 19 with respect to the installation surface 17. The aiming point 20 is formed of a light wave reflective seal.

Each leg 15 has a groove 21 having a trapezoidal cross section from the top to the bottom installation surface 17 on the side surface. Each guide plate 14 is attached so as to slide into the groove 21 of each leg 15 and protrude from the installation surface 17. As shown in FIG. 2, each guide plate 14 has an elongated through hole 14a extending vertically. Each leg 15 has a female screw hole at the bottom of the groove 21. Thumb screw 22
a and screwed into the female screw hole. Each guide plate 14
Can be fixed to the leg 15 in a state of being protruded from the installation surface 17 by the thumb screw 22 and a state of being retracted. As shown in FIG. 3, each guide plate 14 has a guide surface 14 b that is perpendicular to each other and perpendicular to the installation surface 17 on the inside. As shown in FIG. 3, each guide surface 14b has a vertical line 19 on its extension.

The base 11 has a first positioning display 23 indicating its position along the vertical line 19 between the two legs 15 on the front side. The first positioning indicator 23 has an acute angle formed along the vertical line 19. As shown in FIG. 4, the step 16 has a flat positioning surface 16 a along a vertical line 19. In addition, the step 16 has a second positioning display 24 at the bottom indicating the position of the vertical line 19. The second positioning display 24 is composed of a score line. As shown in FIG.
1 has a vertical line 1 perpendicular to the second positioning display 24.
A score line 25 parallel to 9 is formed. Support part 12
In the lower part of the drawing, there is formed a score line 26 which is continuous with the score line 25 when the side plate 12a is perpendicular to the back surface of the base 11.

Next, the operation will be described. Observation instrument 10
Is used to fix the installation surface 17 of the base 11 along the installation location and to determine the distance and angle between the aiming point 20 of the two targets 13 by the lightwave measuring device 10B. The observation / measurement instrument 10 is used for obtaining the plane coordinates and the height difference of the foundation leg (steel tower leg) A, particularly when installing a power transmission tower. The measurement theory will be described with reference to FIGS. For the sake of explanation, the upper seal 20a is the aiming point 20 farther from the base 11, and the lower seal 20b is the aiming point 20 closer to the base 11.
It is.

(1) First, as shown in FIGS. 6 and 7, the horizontal distances SU, SD between the upper and lower seals 20a, 20b.
From the measured values of the horizontal angles θU and θD,
Is the origin, and the coordinates “XdU, Y” of the upper and lower seals 20a, 20b of each base leg A with the (+) direction being the X axis “0 °”
dU ”and“ XdD, YdD ”are calculated. (2) The distance between the lower seal 20b of the two-point seal target and the fulcrum (determination point, measurement point) Tb is determined by the distance between the upper seal 20a and the lower seal 20.
Since the structure is の of the interval b, し て も of the plane distance from the upper seal 20a to the lower seal 20b is the plane distance from the lower seal 20b to the fulcrum Tb regardless of the inclination. . From this, the fulcrum coordinates “XdP, YdP” of each base leg material A can be calculated. (3) Similarly, FIG.
As shown in the figure, the fulcrum height difference "Zad" is calculated from the height difference between the upper and lower seals 20a and 20b. (4) The horizontal distance "Sad" between the fulcrum support points of each base leg A is calculated from the fulcrum coordinates "XdP, YdP" of each base leg material A, and the oblique distance to the opposite side is calculated from this numerical value and the fulcrum height difference "Zad". (5) The diagonal diagonal distances and diagonal diagonal distances of the other base leg materials A are similarly determined. Thus, the plane coordinates and the height difference of the base leg material A can be obtained.

As shown in FIG. 10A, when obtaining the coordinates of an angle-type base leg material A having a right-angled corner,
Set the desired point (fulcrum) at the upper end corner. In the angle type foundation leg material A, the upper end surface A1 is perpendicular to the length direction, and the corners A2 of the two side surfaces are at right angles. The two guide plates 14 of the observation and measurement instrument 10 are protruded from the installation surface 17, and the guide surface 14 b is arranged along the side surface sandwiching the corner A 2 of the foundation leg material A, and the installation surface 17 is attached to the upper end surface A 1 by the magnet 18. Attach. The use of the guide plate 14 facilitates installation of the observation and measurement instrument 10. Also, 2
The first positioning display 23 can be seen from between the legs 15 of the book,
By looking at the second positioning display 24 at the bottom of the step 16, positioning to the desired point can be facilitated.

The angle type foundation leg material A has an inner part arranged inside and an outer part arranged outside when assembling a steel tower by stacking the upper end and the lower end of the leg. In the inner base leg material A, the corner A2 is chamfered, and the desired point is located outside the leg material. In the instrument 10 for observation and measurement, the guide surface 1
4b along, even with the internal base leg material A,
It can be easily installed at the required point. In the case of the externally attached base leg material A, the positioning of the intersection of the installation surface 17 and the vertical line 19 at the required point is further facilitated by applying the positioning surface 16a of the step 16 to the required point. be able to.

Thus, the installation surface 17 and the two aiming points 20
The point of intersection with the vertical line 19 where is located is positioned as the desired point.
At this time, the vertical line 19 coincides with the inclination of the base leg material A. As described above, even when the calculated point is set at the inclined end portion like the base leg material A, the plane coordinates and the height difference of the determined point can be easily calculated from the measurement result.

As shown in FIG. 10 (B), when obtaining the coordinates of the pipe-type foundation leg material B, a search point (fulcrum) is set at the edge of the upper flange B1. Pipe type foundation leg material B
The upper end face B2 of the flange B1 is perpendicular to the length direction. Place the installation surface 17 of the observation and measurement instrument 10 on the upper end surface B2.
With a magnet 18. In this case, if the guide plate 14 is retracted so as not to protrude from the installation surface 17, the guide plate 14
Can be installed without obstructing positioning at the required point. In addition, by applying the positioning surface 16a of the step portion 16 to the determined point, the positioning of the intersection of the installation surface 17 and the vertical line 19 at the determined point becomes easy. In addition, two legs 15
By looking at the first positioning display 23 or looking at the second positioning display 24 at the bottom of the step 16, the positioning to the desired point can be easily performed.

At the time of measurement, the support 12 is rotated
By rotating the two targets 13, the aiming point 2
By pointing 0 to the direction of the light wave measuring instrument 10B, the measurement can be facilitated. The base leg material installation dimension measuring device obtains the distance, the angle, and the height difference from the reference plane with respect to the aiming point 20 by the lightwave measuring device 10B using the observation and measurement instrument 10. The base leg material installation dimension measuring device is a light wave measuring device 10
A predetermined calculation process is performed by the computer 10C from the value obtained from B, the coordinates of the found point, the difference with a plurality of coordinates, and the like are obtained, and further, the installation difference and the correction direction of the base leg are obtained and displayed.

Referring to FIG. 9, the notebook personal computer 31 receives basic installation design value data,
Design value data is calculated. The design value data is transferred to a memory card 32 for a handy terminal type computer. The memory card 32 is set in the handy terminal type computer 10C. Computer 10C
Transmits and receives a measurement command and measurement data to and from the lightwave measuring device 10B. After completion of the measurement, the computer 10C automatically calculates the installation dimension result, and displays the installation adjustment numerical value and direction of each base leg material A. After adjustment according to this value, re-measurement is possible. The memory card 32 stores measurement data. The measurement data is stored in the memory card 3
2 to the notebook personal computer 31. The notebook personal computer 31 accumulates and manages the installation dimension measurement data, and prints the measurement results using a laser printer 33.

In this way, the construction of the four base legs A can be modified based on the displayed result, and the construction accuracy can be improved. Conventionally, by using the observation and measurement instrument 10 to obtain the coordinates of the base leg material A, 30 to 4
The measurement time, which takes about 0 minutes, can be reduced to 3 to 5 minutes by one person's work, and the working efficiency and labor saving can be improved.

[0029]

The instrument for observation and measurement and the apparatus for measuring the dimensions of the installation of the base leg according to the present invention can be easily installed and the measurement time can be shortened.

In particular, in the instrument for observation and measurement according to the second aspect of the present invention, when a desired point is set at an end corner with an angle-type base leg having a right-angled corner, installation can be facilitated. .

In particular, in the instrument for observation and measurement according to the third aspect of the present invention, when a desired point is set at the edge of the end with the base leg material, the installation can be further facilitated.

In particular, in the instrument for observation and measurement according to the present invention, the aiming point can be directed to the direction of a measuring device such as a light wave measuring device to facilitate the measurement.

[Brief description of the drawings]

FIG. 1 is a front view of an observation and measurement instrument according to an embodiment of the present invention.

FIG. 2 is a side view of the observation and measurement instrument of FIG. 1;

FIG. 3 is a plan view of the observation and measurement instrument of FIG. 1;

FIG. 4 is a bottom view of the observation and measurement instrument of FIG. 1;

FIG. 5 is a partial rear view of the observation and measurement instrument of FIG. 1;

FIG. 6 is an explanatory diagram of a measuring method using the base leg material installation dimension measuring device according to the embodiment of the present invention.

FIG. 7 is an explanatory plan view showing the coordinate relationship between the base leg material and the observation and measurement instrument during measurement.

FIG. 8 is an explanatory side view showing a horizontal distance between fulcrums and a fulcrum height difference of each base leg material.

FIG. 9 is a system schematic diagram of a foundation leg material installation dimension measuring device according to an embodiment of the present invention.

10A and 10B are explanatory diagrams showing a method of using the observation and measurement instrument of FIG. 1 with a pipe-type foundation leg, and FIGS. 10B and 12B are explanatory diagrams showing a method of using an angle-type foundation leg.

FIG. 11 is an explanatory diagram showing a method of using a conventional observation and measurement instrument.

[Explanation of symbols]

 Reference Signs List 10 instrument for observation and measurement 11 base 12 support 13 target 14 guide plate 15 leg 16 step 17 mounting surface 18 magnet 19 vertical line

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hisasaki Sasaki 3-7-1 Ichibancho, Aoba-ku, Sendai, Miyagi Prefecture Inside Tohoku Electric Power Co., Inc. (72) Inventor Rokuro Nagai, Aoba-ku, Sendai, Miyagi 3-7-1 Ichibancho Tohoku Electric Power Co., Inc. (72) Inventor Hiroshi Takahashi 1-8-14 Kokubuncho, Aoba-ku, Aoba-ku, Sendai, Miyagi Prefecture Aikosha Sendai Branch (72) Inventor Akio Tateshita Miyagi 1-8-14 Kokubuncho, Aoba-ku, Sendai City, Aichi Pref.

Claims (5)

[Claims] A base provided on the base, the support extending in a direction perpendicular to the installation surface; and a support provided on the support, perpendicular to the installation surface. An observation measurement instrument comprising: two targets having aiming points at positions separated from each other on a line. 2. The apparatus has two guide plates, each of which is attached to the base so as to protrude from the installation surface,
The instrument for observation and measurement according to claim 1, wherein each guide plate has a guide surface that is perpendicular to each other and perpendicular to the installation surface, and each guide surface has the vertical line as an extension. 3. The base has two legs and a step, and has a first positioning indication between the two legs indicating the position along the vertical line. The portion is provided outside the installation surface and protrudes from the installation surface, has a positioning surface along the vertical line, and has a second positioning display indicating the position of the vertical line at the bottom. The instrument for observation and measurement according to claim 1. 4. The device according to claim 1, wherein said support portion is rotatably provided on said base portion, and said two targets are rotatably provided on said support portion.
An instrument for observation and measurement as described. 5. A light wave measuring instrument for determining a distance and an angle between the observation and measurement instrument according to claim 1, 2, 3 or 4, the aiming point of the observation and measurement instrument, and the light wave measurement. A computer for obtaining information on the distance and the angle from a vessel and performing a predetermined calculation process.